Single-Ascending Dose study of AMG 333 in healthy subjects and subjects with migraines

The primary purpose of this study is to determine whether AMG 333 is safe and well tolerated in healthy subjects and subjects with migraines. As part of the secondary objectives, this study will characterize the pharmacokinetic (PK) profile of AMG 333, as well as characterize the effect of AMG 333 on the cold pressor test (CPT)-induced increase in blood pressure after single oral doses in healthy subjects and subjects with migraines